Server

HTTP response header

The Server response-header field contains information about the software used by the web server to handle the request.

Header usage statistics

Server response header information and usage statistics.

Websites using header Server92,273,990
Percentage of websites that use Server header91.40%
Total discovered header valuesMore than 10,000
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

Server Directives

Server directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Apache, category Web Servers, total 31,672,209 websites
Amazon Cloudfront, category Content Delivery Networks, total 668,304 websites
Amazon ELB, category Load Balancer, total 651,214 websites
Amazon S3, category Miscellaneous, total 329,265 websites
Akamai, category Content Delivery Networks, total 189,765 websites
Amazon EC2, category Web Servers, total 92,829 websites
Allegro RomPager, category Web Servers, total 1,424 websites
AOLserver, category Web Servers, total 421 websites
Akka HTTP, category Web Servers, total 205 websites
Airee, category Content Delivery Networks, total 184 websites

Distribution by websites popularity

Server detection in the top websites by popularity

Top 10k sites11,049 websites
Top 100k sites113,277 websites
Top 1m sites1,148,046 websites

Websites utilizing Server

List of websites that use Server header

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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common Server header values

Header valueValue prevalence
Apache24.53%
nginx24.08%
cloudflare7.61%
openresty4.59%
LiteSpeed3.25%
Squarespace2.35%
Microsoft-IIS/10.01.71%
Microsoft-IIS/7.51.61%
Microsoft-IIS/8.51.52%
Pepyaka/1.19.101.52%
Apache/21.49%
nginx/1.16.10.72%
Apache/2.4.53 (Unix)0.70%
Microsoft-HTTPAPI/2.00.67%
nginx/1.20.20.60%
bfe0.60%
DPS/1.13.20.57%
Apache/2.4.25 (Debian)0.56%
nginx/1.20.10.52%
Nginx Microsoft-HTTPAPI/2.00.49%